This function removes the
N
-th component from
L
; it changes the value of
L
.
Use the function WithoutNth to create a new list containing the
elements of
L
except the
N
-th (without changing
L
).
Example
/**/ use R ::= QQ[x,y,z];
/**/ L := indets(R);
/**/ L;
[x, y, z]
/**/ remove(ref L,2);
/**/ L;
[x, z]